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Wet Chemical Synthesis of Hydroxyapatite Particles from Nonstoichiometric Solutions

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Journal of Materials Synthesis and Processing

Abstract

Hydroxyapatite [Ca10(PO4)6(OH)2; or HAp] particles with controlled stoichiometry were precipitated from solution by forced hydrolysis of mixtures of calcium and phosphate salts at a high pH and temperature. The mixing procedure determines the final stoichiometry of the precipitated HAp. The resulting panicles were characterized by FTIR, XRD, TEM, and light scattering and their chemical composition was determined by ICP, indicating that pure crystalline HAp with a narrow size distribution was indeed formed, despite some aggregation being detected by light scattering. The Ca/P ratio was found to depend on the specific preparation route.

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Authors and Affiliations

  1. Institut Ciència de Materials de Barcelona, Campus UAB, 08193, Bellaterra, Spain

    A. López-Macipe, R. Rodríguez-Clemente & A. Hidalgo-López

  2. Instituto de Física, UNAM, A.P. 1-1010, Querétaro, Querétaro, 76001, Mexico

    I. Arita, M. V. García-Garduño, E. Rivera & V. M. Castaño

Authors
  1. A. López-Macipe
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  2. R. Rodríguez-Clemente
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  3. A. Hidalgo-López
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  4. I. Arita
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  5. M. V. García-Garduño
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  6. E. Rivera
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  7. V. M. Castaño
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Corresponding author

Correspondence to V. M. Castaño.

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López-Macipe, A., Rodríguez-Clemente, R., Hidalgo-López, A. et al. Wet Chemical Synthesis of Hydroxyapatite Particles from Nonstoichiometric Solutions. Journal of Materials Synthesis and Processing 6, 21–26 (1998). https://doi.org/10.1023/A:1022603024806

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  • DOI: https://doi.org/10.1023/A:1022603024806

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